June 4, 2023 · World War II sites

Exploring the Forgotten History of Submarine Pens and Bases

Submarine Pens and Bases: Exploring Forgotten History

Deep beneath the surface of the ocean, submarines lurk in a world that few people ever experience. But these underwater vessels need a place to call home when they’re not at sea, and during World War II, many countries built massive submarine pens and bases to protect their fleets from enemy attacks.

Today, these structures are abandoned relics of a bygone era, but they offer a fascinating glimpse into the past for those who dare to explore them. In this article, we’ll take a closer look at submarine pens and bases around the world and what makes them such intriguing sites for urban explorers.

History of Submarine Pens and Bases

The history of submarine pens dates back to World War I when Germany built its first U-boat base at Bruges in Belgium. The concept was simple: build large concrete structures with enough space inside to shelter submarines from aerial bombardment or other forms of attack while they were being repaired or refueled.

As World War II approached, both Axis and Allied powers began constructing larger and more elaborate submarine pens. Germany’s U-boat bases along the French coast were some of the most impressive examples. One such base was located near La Rochelle on France’s Atlantic coast. It consisted of 14 individual bunkers connected by tunnels that extended up to 1 km inland.

Japan also constructed several huge submarine pens during WWII including one in Yokosuka Bay near Tokyo which could accommodate up to six subs simultaneously.

However, it was perhaps Britain that produced some of the most innovative designs for their submarine pens as part of their defense against Nazi aggression. They designed “blast walls” made out-of-reinforced-concrete which would deflect any bomb blast away from vulnerable areas where submarines would be docked.

After the war ended many military powers continued building underground lairs for nuclear subs throughout Cold War tensions; however none have been used in actual war scenarios since then.

Why Submarine Pens and Bases are Fascinating for Urban Explorers

For urban explorers, submarine pens and bases offer a unique opportunity to explore forgotten parts of history. These structures were built with durability in mind, which means many of them are still standing today despite years of neglect.

The sheer size and scale of these structures can be awe-inspiring. Some submarine pens span thousands of square meters and extend deep underground or under water. The tunnels that connect the individual bunkers are often dark, damp, and labyrinthine, adding an element of mystery to these sites.

Exploring abandoned submarine pens also provides a chance to witness firsthand how technology has evolved over time. From the basic concrete walls used in World War I to the reinforced designs employed during WWII, each era left its mark on these structures. Seeing how they were constructed is not only interesting from a historical perspective but also offers insights into modern engineering practices.

Submarine Pens Around the World

Today there are many abandoned submarine pens around the world that can be explored by adventurous visitors. Here are just a few examples:

1) La Rochelle U-boat base – France
As mentioned earlier this impressive complex was designed with 14 bunkers connected by tunnels leading up to 1km inland from the coastline. Today it remains one of the most visited sites for urban explorers due to its impressive scale.

2) Balaklava Submarine Base – Ukraine
Built into a mountain overlooking Balaklava Bay on Ukraine’s Black Sea coast during Soviet times; this base was secret until it became open again after perestroika (restructuring). It was operational until 1993 when Ukraine gained independence from Russia.

3) Kure Naval Base – Japan
Located near Hiroshima on Japan’s Inland Sea coast Kure naval base boasts several large dry docks as well as extensive underground facilities including large areas devoted solely to the repair and development of submarines.

4) Brest Submarine Base – France
Brest is home to one of the largest submarine bases in Europe. At its peak during WWII, it could accommodate up to 30 U-boats at a time. Today, visitors can explore parts of the base on guided tours or visit a museum dedicated to submarine warfare.

5) Kiel Submarine Base – Germany
Located along Germany’s Baltic Sea coast, Kiel was once home to a massive submarine bunker that could house up to 20 subs. Today, only part of the structure remains standing but it still offers an interesting glimpse into the past.

Conclusion

Submarine pens and bases are fascinating historical sites that offer urban explorers a unique opportunity to delve into hidden worlds beneath our feet or underwater. These structures played an important role in modern warfare history but today are mostly forgotten relics waiting for intrepid adventurers ready for exploration. Despite their age and neglect they still remain as impressive feats of engineering and construction from times gone by which have stood against both natural elements and human conflict throughout time.

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